<span>A sand bar that completely crosses a bay, sealing it off from the open ocean, is called a baymouth bar.
As a result of longshore drift (which creates beaches as well), this depositional feature that doesn't allow access to a bay is created. This refusal of access is complete, not partial as is the case with a barrier island separating a lagoon. A baymouth bar consists of a lot of sand and gravel that accumulated over time.
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It is the central vacuole
Answer:
The crabs with white shells. The next generation of crabs will be white shelled.
Explanation:
The crabs with white shells are more likely to survive because they blend in with the white sand more than the ones with brown shells making it easier to hide from predators and also makes it a desired trait.